The San Jacinto Battleground, where the Texian army defeated Mexican forces under Santa Anna on April 21, 1836 to secure Texas independence, functions today primarily as a memorial park, museum complex, and commemorative landmark rather than a site of ongoing practical use. The battlefield itself is preserved as San Jacinto Battleground State Historic Site, administered with the Texas Historical Commission, and consists of open grounds, marshland, and interpretive trails allowing visitors to walk portions of the historic battle terrain. At its center stands the San Jacinto Monument, a large stone obelisk topped by a star, built in the late 1930s to commemorate the Texas centennial. The monument serves multiple practical functions: an observation deck near its top offers visitors panoramic views of the surrounding ship channel and battlefield, while its base houses the San Jacinto Museum of History, which displays artifacts, documents, and exhibits related to Texas and Texian history and hosts a theater presentation on the battle. The site also anchors the retired Battleship Texas nearby, part of the broader historic complex. Each year the site hosts the San Jacinto Day Festival and battle reenactment, drawing visitors for living history demonstrations and ceremonies marking the anniversary of the battle. Functionally, the site today operates as a state park, museum, and pilgrimage destination for those studying or commemorating the Texas Revolution, combining passive memorial grounds with active museum and educational operations for tourists, school groups, and history enthusiasts.